Code: A-28
Time: 3 Hours
Subject: COMPUTER NETWORKS
Max. Marks: 100

NOTE: There are 11 Questions in all.

  • Question 1 is compulsory and carries 16 marks. Answer to Q. 1. must be written in the space provided for it in the answer book supplied and nowhere else.
  • Answer any THREE Questions each from Part I and Part II. Each of these questions carries 14 marks.
  • Any required data not explicitly given, may be suitably assumed and stated.
    _____________________________________________________________________
Q.1       Choose the correct or best alternative in the following: (2x8)

a. E-mail stands for _____________.
 


(A) ) Electronic-Mail.
(C) ) Electrical-Mail.
(B) E-Commerce-Mail
(D) Engineered-Mail.
b. Which topology requires multipoint connection?
 

(A)Mesh
(C) Bus

(B) Star
(D) Ring
c.

The _______ layer decides the location of synchronization point.
 

(A) Transport
(C) Presentation

 (B) Session
(D) Application
d. In the _________ layer, the data unit is called a frame.
  (A) Physical
(C) Network
 (B) Data link
(D) Transport
e. In the _________ layer, translation form one character code to another occurs.
  (A) Transport
(C) Presentation
(B) Session
(D) Application
f. What is the bandwidth of a signal that ranges from 40 KHz to 4 MHz?
  (A) 36 MHz
(C) 3.96 MHz 		(B) 360 KHz
(D) 396 KHz
 
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